<http://schema.org/headline>
"L\u2019Europe repart \u00E0 l\u2019assaut de Mars"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.lemonde.fr/cosmos/article/2016/03/07/mars-l-europe-se-remet-en-orbite_4878024_1650695.html>